So I have a handful of ccr1072's that I want to run on our +48v plant, mikrotik sells a '-48v telecom' power supply and they insist it's not compatible with +48v. I ordered one for testing and both +/- input terminals have no reference to chassis ground. I went ahead and applied +48v and the power supply fired up (no smoke) and when measuring from chassis ground to the input terminals I see no difference in potential.
Before I shove this into a $3,000 router I wanted to see what I may be missing here?
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